Chevy LS 6.0L Gen IV B-4.000 M-STD DH-9.240 6-Bolt Billet Main Iron Engine Block
Overview
The next level of performance are these cast-iron Chevy LS blocks. Designed to look standard under your bonnet, and work with stock components. The Speedmaster block is ready for the street racer or all-out racer with added strength and cubic inches. All the factory flaws redesigned to be eliminated, while still using the water jacket design. The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE286.1058.01 |
| Part Type: | Engines, Bare Block |
| Cylinder Bore Diameter: | 4.000 in. |
| Bore & Stroke: | 3.622 in. x 4.000 in. Max Recommended |
| Cam Journal OD: | 2.164 in. - 2.166 in. |
| Deck Height: | 9.240 in. |
| Fuel Pump : | Electrical |
| Fuel Pump Pushrod: | N/A |
| Lifter Bores (in.): | 0.843 in. - 0.844 in. |
| Main Bearing Size (in.): | 2.558 in.-2.559 in. |
| Main Bearing Bore (in.): | 2.750 in.-2.751 in. |
| Main Cap Bolts: | 6 Bolt |
| Main Cap Press: | 0.005 in. |
| Oil System: | Wet Sump |
| Oil Pan: | Standard LS |
| Rear Main Seal (in.): | Standard LS 4.527 in. |
| Starter: | Standard LS |
| Stud Holes, Head: | Blind Holes |
| Timing Chain/Gears: | Standard LS Components |
| Timing Cover: | Standard Cam Location LS |
| Weight: | 205 Lbs @ 4.0 in. Bore |
| Quantity: | Sold individually. |
| Notes: | Check hood clearance before installing. No provision for Active Fuel Management |
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.